hello everyone i have a question
i have this in my iptables
EXT_IF=eth1
#############
/sbin/iptables -t nat -A POSTROUTING -s 12.16.2.5 -o $EXT_IF -j MASQUERADE
now
how can i DROP ALL TRAFIC FROM IP 12.16.2.5 ??? exept port 80 to one
external ip ?
example
i neeed to drop all traffic
and i need to allow the traffic to one address only
how can i do that Ç????
/sbin/iptables -t nat -A POSTROUTING -s 12.16.2.5 -d EXTERNALONEHOSTONLY
-o $EXT_IF -j ACCEPT
/sbin/iptables -t nat -A POSTROUTING -s 12.16.2.5 -d 0.0.0.0/0 -o $EXT_IF
-j DROP ???
OR SHOULD I NEED TO USE TO FORWARD ??
thanks for reading me .